Related: Can You Eat Wrinkled Potatoes? "Sunlight exposure causes the potato skin to turn green,” says Jay Weinstein, chef-instructor at the Institute of Culinary Education. Additionally ...

Solanine is actually colorless, so technically speaking, it's separate from the chlorophyll, which causes the green shading ...

making the outer skin bitter.” The greening is a sign that the potatoes are producing chlorophyll which is what gives plants a green colour but it also signals that, in this case, potatoes are ...